Met hiring manager at campus career fair. Was contacted a week later for phone interview with hiring manager. A week later phone interview with potential direct supervisor. Design challenge, due in 2 weeks. Submitted, went back and forth 2-5x for feedback with the same hiring manager. Added PD stuff like FEA, GD&T, assembly/manufacturing plan, etc. Invited to onsite in the Bay Area office. Day 1 had about six back to back interview, ranged from 1-2 MechE/PM's/Electrical/Managers. Was asked questions ranging from EE, DFM/DFA plastic design, thermals, behavioral (from the PM's and hiring manager), reverse engineering. Same evening, recruiter called to notify that I was moving forward to day 2 (yes you can be eliminated after day 1). Day 2 presented design challenge to entire team. Relaxed environment. Lunch before the presentation. Pro tip: keep watch for the time. A week later, I followed up, no offer. Feedback was provided. Overall, amazing learning/challenging experience. Very thorough.

i had my interview today and was asked the same question. also similarly, the interviewer had no sense of humor. it was not a enjoyable experience because i think i gave like 3-4 different ways of making a cantilever, but i was asked "what else?" like 10 times for the cantilever problem alone. i also have 7 years of work experience, but there was 0 question asked about it.